package xyz.iguilty.workflow.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import java.util.Arrays;

@Component
public class ApplicationContextProvider implements ApplicationContextAware {

    /**
     * 上下文对象实例
     */
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }

    /**
     * 获取applicationContext
     *
     * @return
     */
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    /**
     * 通过name获取 Bean.
     *
     * @param name
     * @return
     */
    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    /**
     * 通过class获取Bean.
     *
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    /**
     * 通过name,以及Clazz返回指定的Bean
     *
     * @param name
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T> T getBean(String name, Class<T> clazz) {
        try {
            return getApplicationContext().getBean(name, clazz);
        } catch (BeansException e) {
            System.out.println(String.format("找不到名称为:%s的bean",name));
        }
        return null;
    }


    /**
     * 获得profile数组
     * @return
     */
    public static String[] getActiveProfile(){
        return applicationContext.getEnvironment().getActiveProfiles();
    }

    /**
     * 判断是否拥有某个特定的profile
     * @param profileName
     * @return
     */
    public static boolean hasProfile(String profileName){
        boolean result = false;
        String[] activeProfile = getActiveProfile();
        if (activeProfile.length>0) {
            result = Arrays.asList(activeProfile).contains(profileName);
        }
        return result;
    }

}